
Electrical systems, telematics, automation and e-mobility charging infrastructure for industry, commerce and public buildings
Jost Wohlen AG
Wohlen (Bremgarterstrasse 62) · Muri (Aarauerstrasse 34)New on Amplifa
About us
Jost Wohlen AG is a privately owned Swiss electrical installation company based in Wohlen in the Freiamt region. Its core competence covers the design, planning, implementation and maintenance of high-current (power) systems for commercial, industrial, public and residential buildings. The offering is complemented by low-current (extra-low voltage) installations (security and alarm systems, video surveillance, locking systems), telematics including telephone systems and networks, building automation with KNX and PLC (including Siemens S7, WAGO, tebis) as well as e-mobility charging infrastructure with load management. A 24h emergency service is available 365 days a year; certified specialists carry out the legally mandated installation inspections with safety verification in accordance with the NIV. Reference customers come from industry and chemicals (including Dottikon Exclusive Synthesis, Digitec Galaxus, wastewater treatment plants). With the Jost Muri branch, the upper Freiamt region is served. The company has been ISO-certified since 1995; in 2026, following the construction of the PALEAS development, it moved into its premises at Bremgarterstrasse 62 in Wohlen.
- Site
- Wohlen
- Processes
- High-current electrical installations (commercial, industrial and public buildings, residential, Low-current installations (security systems, loudspeaker systems, intercom systems,, Project design, planning and maintenance of electrical systems, 24h emergency service electrical engineering (365 days, on-call duty), Telematics: telephone systems (conventional/VoIP), internet access (ADSL/Hispeed), data, Building automation: safety controls with PLC and KNX, energy and power optimisation, Siemens S7 programming (series 300, 400, 1200, 1500), LOGO small controllers, touch/key panels,, Installation of e-mobility charging infrastructure (private homes, companies, apartment buildings,
- Materials
- High-current (power) installations, Low-current installations, Telematics, Building automation, E-Mobility, Installation inspections
- Certificates
- ISO 9001, ISO 9001:2015
- Founded
- 1989
- Industries
- Industry, Chemicals, Trade & commerce, Public buildings, Residential construction, Special-purpose buildings
- 01
Analysis and consulting
- 02
Project design and electrical planning
- 03
Implementation of electrical installations
- 04
Programming/automation (PLC, KNX)
- 05
Installation inspection with safety verification
- 06
Maintenance and 24h service
Services & Systems
High-current (power) installations
Core competence: design, planning, implementation and maintenance for commercial, industrial, public and residential buildings.
Low-current installations
Security systems, loudspeaker and intercom systems, alarm systems, video surveillance, TV systems and locking systems.
Telematics
Telephone systems (conventional/VoIP), internet and data networks incl. 24h full service.
Building automation
PLC and KNX systems for energy and power optimisation, safety controls and comfort; registered KNX partner and system integrator.
E-Mobility
Planning, installation and maintenance of charging stations for private homes, companies and apartment buildings incl. load management.
Installation inspections
Legally mandated inspections with safety verification in accordance with the NIV carried out by certified specialists.
Locations

Wohlen
CHOfficial registered office
- Materials
- Electrical systems, telematics, automation, e-mobility
Muri
CHJost Muri branch (upper Freiamt)
- Materials
- Electrical systems, telematics, automation, e-mobility
Reference Projects




Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| High-current electrical installations (commercial, industrial and public buildings, residentialAssembly | – | – | – | – | – |
| Low-current installations (security systems, loudspeaker systems, intercom systems,Assembly | – | – | – | – | – |
| Project design, planning and maintenance of electrical systemsEngineering | – | – | – | – | – |
| 24h emergency service electrical engineering (365 days, on-call duty)Assembly | – | – | – | – | – |
| Telematics: telephone systems (conventional/VoIP), internet access (ADSL/Hispeed), dataAssembly | – | – | – | – | – |
| Building automation: safety controls with PLC and KNX, energy and power optimisationEngineering | – | – | – | – | – |
| Siemens S7 programming (series 300, 400, 1200, 1500), LOGO small controllers, touch/key panels,Engineering | – | – | – | – | – |
| Installation of e-mobility charging infrastructure (private homes, companies, apartment buildings,Assembly | – | – | – | – | – |
| Installation inspections with safety verification in accordance with the NIVTesting | – | – | – | – | – |
| Electrical planning for new-build and special-purpose buildingsEngineering | – | – | – | – | – |
Additional services
Reference customers
Quality
The company has been ISO-certified since 1995 (ISO 9001:2015) and works with documented quality management (systematic recording of events and checks). Installation inspections with safety verification are carried out in accordance with the NIV by certified specialists.
| Evidence | Wohlen |
|---|---|
| ISO 9001 |
History
- 1989
Foundation of the company in Wohlen by Matthias Jauslin together with two partners.
- 1995
ISO certification of the company.
- 2024
Groundbreaking ceremony for the PALEAS development on Bremgarterstrasse in Wohlen (10 September) – new business premises of Jost Wohlen AG.
- 2026
Occupancy of the new (and former) registered office at Bremgarterstrasse 62 in Wohlen in June 2026.